SmallFish Chess for Stockfish vs Chess Clock Premium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SmallFish Chess for Stockfish
This app leverages the powerful Stockfish chess engine to help you improve your game. Analyze your matches with detailed comments, study the engine's thought process, and track your progress. It offers advanced features like blunder checking and graphical evaluations without any ads or in-app purchases.
- Blunder checking
- Multiple line analysis
- Graphical game evaluation
- Game previews
- Dark mode support
- Endgame tablebase
- Opening books
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SmallFish is a project based on the Stockfish chess engine. It uses the latest Stockfish chess engine (Stockfish 18.0), rated about Elo 3600+ and is the strongest chess app on the App Store. SmallFish offers you three distinct ways to improve your game. You can review your game with comments, or study how Stockfish thinks, or track your progress. No in-app purchase, no ads, no data tracking. SmallFish is simply amazing. It's small but powerful, you'll be surprised. Features --------- - Blunder checking - Multiple line analysis - Graphical evaluation of your game - Game previews - Dark mode support - Endgame tablebase - Opening books Why not just download and try it yourself?
Chess Clock Premium
A free, simple, and easy-to-use game timer designed for over-the-board chess matches. It offers pre-set timer controls for various chess formats like Blitz, Classical, and Bullet, with support for increment time controls.
- Free to use
- Simple and easy interface
- Pre-set timer controls
- Supports Blitz, Classical, Bullet chess
- Increment time control support
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Play over the board chess with this FREE chess game timer! This clock is simple and easy to use. Use one of the many pre-set timer controls for Blitz, Classical, or Bullet chess. Support for increment time controls as well. Customizable chess time controls is coming soon! This is a new app so we appreciate your patience.
Screenshots
Verdict
The clearest difference is price: Chess Clock Premium at Free against SmallFish Chess for Stockfish's $4.99. SmallFish Chess for Stockfish's advantage is update cadence (every 8 days vs every 75 months) and rating (4.8 vs 4.4). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Chess Clock Premium is free to download; SmallFish Chess for Stockfish costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SmallFish Chess for Stockfish holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: SmallFish Chess for Stockfish has 4.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 79% of SmallFish Chess for Stockfish's written reviews are positive against 67% of Chess Clock Premium's.
SmallFish Chess for Stockfish ships an update every 8 days, Chess Clock Premium every 75 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | SmallFish Chess for Stockfish | Chess Clock Premium |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (4.5K ratings) — better | 4.4 (9 ratings) |
| Positive reviews | 79.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 4.5K — better | 9 |
| Update frequency | Every 8 days — better | Every 75 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #19 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 208 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Ted Wong | Daniel Ricciotti |
Customer experience
SmallFish Chess for Stockfish
Chess Clock Premium
Bugs and requests
SmallFish Chess for Stockfish
Reported bugs
4 issues- Crashes when setting up positions
- Incorrect move suggestions and engine evaluations
- Freezing and unresponsiveness during gameplay
- Issues with board and coordinate display alignment
Requested features
5 requests- Add support for variations and multiple analysis lines
- Implement a two-player mode with piece flipping
- Add PGN file sorting, searching, and folder support
- Provide an option to hide the board and show captured pieces
- Integrate with chess.com and other platforms
Chess Clock Premium
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SmallFish Chess for Stockfish
No in-app purchases
Chess Clock Premium
No in-app purchases
Questions
Is SmallFish Chess for Stockfish free?
Is Chess Clock Premium free?
Which has better reviews, SmallFish Chess for Stockfish or Chess Clock Premium?
Do SmallFish Chess for Stockfish or Chess Clock Premium have ads?
Which is updated more often, SmallFish Chess for Stockfish or Chess Clock Premium?
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